Theory of Amorphous Packings of Binary Mixtures of Hard Spheres

Indaco Biazzo, Francesco Caltagirone, Giorgio Parisi, and Francesco Zamponi
Phys. Rev. Lett. 102, 195701 – Published 13 May 2009
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Abstract

We extend our theory of amorphous packings of hard spheres to binary mixtures and more generally to multicomponent systems. The theory is based on the assumption that amorphous packings produced by typical experimental or numerical protocols can be identified with the infinite pressure limit of long-lived metastable glassy states. We test this assumption against numerical and experimental data and show that the theory correctly reproduces the variation with mixture composition of structural observables, such as the total packing fraction and the partial coordination numbers.

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  • Received 19 February 2009

DOI:https://doi.org/10.1103/PhysRevLett.102.195701

©2009 American Physical Society

Authors & Affiliations

Indaco Biazzo1, Francesco Caltagirone1, Giorgio Parisi1,2, and Francesco Zamponi3

  • 1Dipartimento di Fisica, Università di Roma, “La Sapienza,” Piazzale Aldo Moro 2, 00185 Roma, Italy
  • 2INFM-CNR SMC, INFN, Università di Roma, “La Sapienza,” Piazzale Aldo Moro 2, 00185 Roma, Italy
  • 3Laboratoire de Physique Théorique, CNRS UMR 8549, Ecole Normale Supérieure, 24 Rue Lhomond, 75231 Paris Cedex 05, France

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Issue

Vol. 102, Iss. 19 — 15 May 2009

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